NTE1228 Ver la hoja de datos (PDF) - NTE Electronics
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NTE1228 Datasheet PDF : 2 Pages
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NTE1228
Integrated Circuit
Audio Power Amp, 2.1W
Features:
D AF Output Power
D Sufficient Regulation Under Dry Battery Operation
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13V
Allowable Power Dissipation, Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2W
Allowable Power Dissipation (Note 1), Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Note 1. With 50 x 50mm2 printed board for radiator.
Recommended Operation Condition: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V
Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4,8Ω
Electrical Characteristics: (TA = +25°C, VCC = 9V, RL = 4Ω, f = 1kHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Current
Voltage Gain
ICCO
VG Open Loop
– 15 25 mA
– 70 – dB
At Appointed Circuit
42 45 48 dB
Output Power
Total Harmonic Distortion
Input Resistance
Output Noise Voltage
PO
THD
ri
VNO
THD = 10%, RL = 4Ω
THD = 10%, RL = 8Ω
PO = 250mW
Rg = 10kΩ
Rg = 0
1.3 2.1 – W
– 1.4 – W
– 0.5 1.5 %
12k 20k – Ω
– – 3 mV
– – 1.0 mV
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